Home / 856,369.78-1,181,791.21-463,903.65

Finding the Fourth Proportional to 856,369.78, 1,181,791.21 and 463,903.65

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Solution

The fourth proportional to 856,369.78, 1,181,791.21 and 463,903.65 is: 640,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,369.78 : 1,181,791.21 = 463,903.65 : x
  2. Step 2: Convert to fraction form
    856,369.78/1,181,791.21 = 463,903.65/x
  3. Step 3: Cross multiply
    856,369.78x = 1,181,791.21 × 463,903.65
  4. Step 4: Simplify right side
    856,369.78x = 548,237,254,697.16
  5. Step 5: Solve for x
    x = 548,237,254,697.16/856,369.78
  6. Step 6: Final answer
    x = 640,187.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.